Adelaide Labille Guiard ( 1749 - 1803 ) was a French painter. Adelaide Labille Guiard s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6070.47 USD for Portrait de madame Dugazon dans le rôle de Babet in 2004 to 569422.78 USD for PORTRAIT OF THE DUCHESSE D'AIGUILLON (1770-1814) in 2018 , based on the size and medium of the artwor